Question: Who was {educated at} {Maximilien de Robespierre} where {end time} is {1781-0-0} ?
Paraphrase: When did Maximilien de Robespierre get educated?
SPARQL (Wikidata): SELECT ?obj WHERE { wd:Q44197 p:P69 ?s . ?s ps:P69 ?obj . ?s pq:P582 ?x filter(contains(YEAR(?x),'1781')) }